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Drug Discovery Part I: Screening for Compounds Jim Wells ...

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Target ID: what’s causing disease<br />

Target validation:<br />

What’s causing the disease?<br />

Infectious agent or host imbalance?<br />

Molecular target leading to disease<br />

• Bacteria: �nd target not in humans<br />

• Host imbalance:<br />

Replace underactive protein (insulin)<br />

Inhibit overactive protein (kinase)<br />

The genome (genetic space) is huge<br />

and lots to search<br />

• ~20,000 human genes that<br />

code <strong>for</strong> proteins<br />

• Which one is causing the disease

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